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Finding the Fourth Proportional to 4,894.52, 7,342.59 and 1,972.58

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Solution

The fourth proportional to 4,894.52, 7,342.59 and 1,972.58 is: 2,959.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    4,894.52 : 7,342.59 = 1,972.58 : x
  2. Step 2: Convert to fraction form
    4,894.52/7,342.59 = 1,972.58/x
  3. Step 3: Cross multiply
    4,894.52x = 7,342.59 × 1,972.58
  4. Step 4: Simplify right side
    4,894.52x = 14,483,846.18
  5. Step 5: Solve for x
    x = 14,483,846.18/4,894.52
  6. Step 6: Final answer
    x = 2,959.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.